Email
Menu News Products Video Webinars White Papers EDU

Photonics Spectra: December 2000

FEATURES
>
Lasers Drive Electronics to the Cutting Edge
Lasers are no longer strangers to electronics manufacturing. But the demand for smaller components and higher throughput calls for instruments with more power, faster pulse rates and shorter...
Brian W. Baird
>
Machine Vision Illuminates the Future of Electronics
Put simply, machine vision's primary task is to distinguish features of interest from their background. But things are not so simple in the electronics industry, where the features of interest...
Jacques Coderre
>
Semiconductor Metrology: Will Photonics Measure Up?
The semiconductor industry's progress toward new materials and fabrication methods is creating opportunities for effective, fast and nondestructive photonic metrology techniques. This applies along...
Alain C. Diebold
>
Optical Lithography Aims for 157 nm
Reducing the design rules of seminconductor devices enables smaller components and represents the most economical means for the industry to reduce costs while improving device performance. This...
Doug Anberg and Warren Flack


TECH PULSE
>
Alcatel Breaks 5-Tb/s Transmission
Alcatel of Paris has demonstrated 5.12-Tb/s transmission over 300 km of its TeraLight optical fiber. Such a transmission capacity would enable more than 100 million voice calls or 640,000 high-speed Internet connections to be carried over a single fiber. The company's researchers employed its 40-Gb/s dense wavelength division multiplexing systems in the unidirectional test, which reached...
>
Dispersion Increases Fiber Capacity
A researcher at Lucent Technologies Inc.'s Bell Labs has taken a working solution to a wireless communications problem and applied it to optical communication over multimode fiber. Although still in...
Kevin Robinson
>
Laser Destroys Multiple Rockets
TRW Inc.'s Space & Electronics Group of Redondo Beach, Calif., has reported that the Tacti-cal High Energy Laser/Advanced Concept Technology Demonstrator successfully completed a series of salvo...
>
Dielectric Waveguide Betters Fiber
Building on its wide-bandwidth, wide-angle, high-reflectivity dielectric mirror, a research team at Massachusetts Institute of Technology has designed a dielectric waveguide with several advantages...
Richard Gaughan
>
Lidar to Track Earth Atmosphere
Within the next five to seven years, NASA scientists and engineers from Johns Hopkins University plan to launch a next-generation fiber optic laser system to monitor the Earth's atmosphere. ...
Michael D. Wheeler
>
Camera’s Exposures Always Correct
The human eyeball can handle an enormous range of brightness levels. It can look at a darkly tanned person sitting on the brilliant white sand of a beach in glaring midday sunlight and correctly...
Dan Drollette
>
Flexible Laser Produced
Scientists from Ludwig Maximilians Universi-tät, the Fraunhofer Institut für Solare Energiesysteme in Freiburg and the Max Planck Institut für Polymerforschung in Mainz, all in...
Daniel S. Burgess
>
Holography Monitors Microscopic Marine Life
Scientists estimate that 80 percent of the oxygen in the atmosphere is produced by phytoplankton, ocean-dwelling one-celled photosynthesizing organisms. It seems understandable, therefore, that we...
Richard Gaughan
>
Lithographers Suggest Solutions to Smaller Features
Semiconductor manufacturers should focus on the commercialization of extreme-ultraviolet and electron-projection lithographic techniques, recommended lithographers at the Next Generation...
>
Measuring the Ultrasmall
Without measurement standards, our descriptions of the physical world would have no meaning. An essential standard defines atomic-scale dimensions, which are necessary to understand atomic and...
Daniel S. Burgess
>
MEMS-Based Gas Sensor Under Development
Ion Optics Inc. of Waltham, Mass., has announced that it is developing a chip-based IR gas sensor that will be manufactured using microelectromechanical systems (MEMS) technology. The company expects...
>
Microdisc LEDs Boast Higher Efficiencies
Physicists at Kansas State University in Manhattan have developed LEDs with a novel architecture that display emission efficiencies greater than conventional devices. The interconnected microdisc...
>
Microstepping Improves Ronchigrams
A team from the Universitat Politècnica de Catalunya in Terrassa, Spain, has developed a Ronchi test that increases the number of sampling points in a ronchigram and offers higher accuracy...
>
Simple Sensor Detects Nerve Gas
A laser-based nerve gas sensor under development illustrates that we should not underestimate the power of the commonplace. First cobbled together for $24 from spare parts from CD players, the device...
Daniel S. Burgess
>
Fiber Probe Enhances Plasma Spectroscopy
Monitoring the exhaust plumes from industrial activities such as power generation may soon be faster and more accurate. Researchers at Munich Technical University are testing a rugged fiber optic...
Kevin Robinson
>
Laser Sensors Measure Force
When it comes to measuring force, the more precise the measurement, the better. Just ask anyone who makes a living designing high-precision acceleration sensors for aircraft navigation or fast...
Michael D. Wheeler
>
Researchers Grow Single-Crystal, 1.55µm VCSELs
Researchers at the University of California in Santa Barbara have produced 1.55-µm vertical-cavity surface-emitting lasers (VCSELs) for telecommunications applications as a single crystal by...
>
High-Speed Video Exposes Snapping Shrimp
Scientists from the University of Twente in Enschede, the Netherlands, and their colleagues in Germany have solved the mystery of how snapping shrimp make their distinctive noises. Biologists had...
>
Photonics Finds Solvents in Water
With the list of Superfund sites growing almost daily, the need for a reliable technique to test water samples on-site also increases. Researchers at Ohio University believe that near-IR...
Kevin Robinson
>
Excimer Laser Processes Ceramic Spinnerettes
A new procedure that employs an excimer laser emitting at 248 nm shows promise for the fabrication of ceramic spinnerettes. Spinnerettes are small nozzles typically made of a metal alloy that...
Michael D. Wheeler
>
Spooky Photons May Beat Diffraction
Light is fundamentally a quantum mechanical entity, but most of today's photonics technology does not depend upon this quantum nature and, in fact, ignores it altogether. Classical or semiclassical...
Richard Gaughan
>
Microscopy Probes Ultrafast Dynamics
Researchers at the Max Planck Institute for Biophysical Chemistry have introduced a microscope that images molecular dynamics at a temporal resolution of 380 fs or faster. The all-optical,...
Kevin Robinson
>
UV VCSEL Produced
Researchers at Sandia National Laboratories in Albuquerque, N.M., and Brown University in Providence, R.I., have developed a 383-nm vertical-cavity surface-emitting laser (VCSEL). The InGaN device,...
>
Web-footed Grating Reduces Loss
A novel arrayed-waveguide grating developed at NTT Photonics Laboratories promises lower insertion losses and crosstalk for filters, multiplexers and demultiplexers in dense wavelength division...
Daniel S. Burgess
>
X-Ray Technique Probes Thin-Film Layers
Surface charge on poorly conducting thin films, a result of the emission of photoelectrons, had been considered an obstacle to measuring such samples, but researchers at Weizmann Institute of Science...


LIGHT SPEED
>
Automakers Laud Lasers
Lasers will help make cars better, lighter and easier to manufacture, automotive industry leaders predicted during the plenary session of the Laser Institute of America's International Conference on...
>
Optical-Fiber-Making Capacity Almost Doubling
Major optical fiber manufacturers have invested $2.6 billion in plant expansions that will nearly double the capacity available in 1999, according to a study by KMI Corp. titled "Worldwide Markets...
>
Cree to US Courts: Stop Nichia’s Blue Laser Sales
Blue-violet laser diodes will effectively disappear from the US if Cree Inc. and North Carolina State University prevail in a lawsuit against Nichia Corp. and its US subsidiary. Cree and the...
Stephanie A. Weiss
>
UK Facility Focuses on Display Technology
Data display and human-display interaction will be the foci of a £1.2 million electronic, photonic and information control center at the University of Abertay Dundee in the UK. Dubbed...
>
New ’Photonics’ Grads Coming
The University of Pittsburgh is offering a Photonics Certificate Program for undergraduates majoring in chemistry, physics or electrical engineering. Students may enroll at the end of their...
>
Photonics Moves at Light Speed
The future of light-based technologies is bright. That was the consensus at Boston University's fourth annual symposium on emerging business opportunities in photonics, held in early October...
Dan Drollette
>
Edmund Buys Embattled Plummer
Edmund Optics Inc. has agreed to acquire Plummer Precision Optics Inc., apparently as part of a settlement in Plummer's federal "whistle-blower" litigation. Plummer expands Edmund's...
Stephanie A. Weiss
>
New Bounty Hunters Stalk Paper Prey
Can you recall hearing or seeing a description of an automated inspection system before Sept. 15, 1993? Somebody is willing to pay $10,000 for information that could invalidate Jerome H. Lemelson's...
Stephanie A. Weiss
>
Optics Goes to Washington
The Optical Society of America and the Materials Research Society have opened their 2001-2002 Congressional Science and Engineering Fellow Program, with an application deadline of Jan. 12, 2001. ...
>
Exfo, Burleigh Waves Meet
Exfo said it will retain Burleigh's 110 employees and its facilities in the strategic optical corridor near Rochester, N.Y. Burleigh's president, Dave Farrell, noted that the companies have shared an...
Stephanie A. Weiss


ACCENT ON APPLICATIONS
>
CCD Sets Sights On Airborne Laser Program
The threat from nuclear missiles has diminished since the end of the Cold War, but short- and medium-range tactical missile technology has proliferated. This new danger has fueled support for the US...
Daniel C. McCarthy
>
Camera Smooths Flatness Measurements
Flatness is an important geometric tolerance for many engineering designs. For years, automotive designers have specified flatness per inch for manufactured parts, but few techniques could provide...
Daniel C. McCarthy
>
Stable Nd:YAG Personalizes Documents
One simple and effective method to protect a document against forgery is to alter its integral substance rather than add to it. Forging documents is much easier when you can remove or replace...
Daniel C. McCarthy
>
Spectrometer Goes the Distance Inside Nuclear Reactor
Like most industries, the nuclear power sector relies on materials analysis for process control and plant monitoring. There are, however, many cases in which the material of interest or its location...
Daniel C. McCarthy


PRESSTIME BULLETIN
>
New Focus Plans Two Acquisitions
New Focus Inc. of Santa Clara, Calif., has announced plans to acquire JCA Technology Inc. of Camarillo, Calif., for $600 million. Under the agreement, which is expected to close this year, New Focus would purchase JCA for $575 million in common stock and $25 million in cash. JCA manufactures data drivers, and clock and power amplifiers, and provides custom solutions for optical communications...
>
Cree’s Blue Lasers Push On
Researchers at Durham, N.C.-based Cree Inc. have demonstrated more than 100 hours of 1- to 3-mW continuous-wave (CW) output from its blue semiconductor laser based on silicon carbide. The devices...
>
Spectroscopy Probes Nanostructures
A team from North Carolina State University in Raleigh and St. Lawrence University in Canton, N.Y., has developed a spectroscopy technique that may enable researchers to better understand matter at...
>
Smoothing May Improve Laser Fusion
Scientists at the University of Rochester in New York reported at the annual meeting of the American Physical Society's Division of Plasma Physics the results of their experiments with a beam control...
>
TRW to Purchase Laser Firm
TRW Inc. of Cleveland has announced that it will purchase Cutting Edge Optronics Inc. and its laser diode operation in Industrial Microphotonics Co., both in St. Charles, Mo., for $19 million in cash...


PRODUCTS
>
IMAGE SENSOR
Photon Vision Systems LLC designed its SLIS series of scanning linear image sensors for ultrahigh-speed, high-resolution applications such as web inspection, panoramic videography and large-format...
Photon Vision Systems, Inc.
>
CONNECTOR ADHESIVE
Tra-Con Inc. offers a two-part, low-viscosity epoxy adhesive for fiber optic connector applications. Tra-Bond F112 features a long pot life, high impact resistance and a viscosity that remains below...
TRA-CON, Inc. (now part of Henkel)
>
CARRIER SERVICE
Ciena Corp. has added Transparent Service Multiplexing technology to its LightWorks Toolkit. This technology enables carriers to sell transparent wavelength services without using an entire...
>
FIBER OPTIC CLEANER
An automatic fiber optic cleaner from Cooke Corp. eliminates silicone debris from fiber ends in less than 3 s, and it leaves no static residue. The TP-125MK-III prepares fibers for use in a...
PCO AG
>
ALL-FIBER COMBINERS
Polarization beam combiners produced by Alcoa Fujikura Ltd. provide low insertion loss and long-haul signal transport for erbium-doped fiber amplifiers. These all-fiber devices handle high power...
Alcoa Fujikura Ltd. (see AFL Telecommunications), Telecommunications Div.
>
DWDM INTERLEAVERS
Low-dispersion interleavers from E-Tek Dynamics Inc. are suitable for 10- and 40-Gb/s fiber optic systems. These 100- and 50-GHz devices can be used with dense wavelength division multiplexing...
>
TRANSPONDER MODULE
The SDG1000 series of transponders from Sumitomo Electric Lightwave integrate multiplexing and demultiplexing functions in a SONET/SDH-compliant OC-48 transceiver. They contain a 2.5-Gb/s optical...
Sumitomo Electric Europe Ltd.
>
OPTICAL INTERFACES
The 1926 SDH family of compact integrated SONET/SDH optical interface products, designed by Alcatel Optronics for STM-16/OC-48 applications, provide a variety of 2.5-Gb/s integrated optical solutions...
Alcatel Optronics (see Avanex France SA)
>
POLARIZATION CONTROL
The PolaRite II is a fiber-squeezer-based polarization controller from General Photonics Corp. The company says it has no insertion loss, backreflection or polarization-dependent loss. Its response...
General Photonics Corp.
>
RADIATION MODE SUPPRESSION FIBER
An optical fiber for the mass production of fiber Bragg gratings has been released by StockerYale. The PS-RMS-50 is a single-mode fiber with a core and cladding that are photosensitive to UV...
ProPhotonix Ltd.
>
FO COMBINER/SPLITTER
Micro-Optics Inc. has introduced an in-line fiber optic polarization combiner/splitter for 1480 and 1550 nm and other wavelengths for pump-power combining and other applications. Housed in a compact...
Micro-Optics, Inc.
>
HIGH-SPEED CAMERA
The Phantom V4.0 camera from Instrumentation Marketing Corp. (IMC) has a CMOS chip designed for high-speed digital performance. Its blooming ratio is 100,000-to-1 with no pixel-to-pixel spillover....
>
IMAGING CD
A CD-ROM released by the UK Industrial Vision Association (UKIVA) features four of its publications. The disc contains PDF files presenting topics on machine vision and digital image acquisition,...
>
COLOR VIDEO CAMERA
The Advision Avcam 702 color camera from Alrad Imaging measures 40 x 30 x 28 mm, weighs 40 g and is provided with a variety of lenses for narrow- and wide-angle fields of view. Its sensor has a 1/4...
>
PROGRESSIVE-SCAN DIGITAL CAMERA
Roper Scientific Inc. has introduced a progressive-scan digital camera that features a timing clock and a 648 x 484-pixel interline-transfer CCD for full-sensor images at 125 fps. The MegaPlus ES:310...
Roper Scientific, Inc.
>
VISION ENGINES
NetSight-CE and -NT embedded vision engines from Imaging Technology Inc. provide development environments ranging from operating systems such as Windows CE or NT to machine vision tools such as Smart...
>
HIGH-RESOLUTION CAMERA
A high-resolution color camera has been developed by The Imaging Source Europe GmbH for technical measuring applications, visualization and surveillance. The DFK 50H13 may be used with the company's...
The Imaging Source LLC
>
IMAGING SOFTWARE
Lucis image-processing software uses a patented differential hysteresis processing algorithm to extract and display contrast patterns based on variations in image luminance. This software is...
>
SCIENTIFIC IMAGING TOOLS
Data Translation Inc. has released version 2.5 of its Global Lab Image/2 scientific imaging software with additional frame grabber support, measurement and analysis functions and tools. Features...
Data Translation, Inc.
>
BEAM ANALYZER
The BeamAlyzer from Melles Griot is a stand-alone laser test station that measures the width, ellipticity, profile, position, output and optical noise of continuous-wave laser beams. The results are...
Melles Griot (see parent), Electro-Optics Div.
>
COMPACT CLEANING AND COATING LABORATORY
Stand-alone cleaning and coating laboratories from Satis Vacuum Industries comprise an automatic high-vacuum system, an automatic cleaning system and an integrated control system with a 5-m2...
Satis Vacuum
>
A/D CONVERTER
The ADS1252 data converter features 24-bit resolution and a 40-kHz data rate in a small SO-8 package. Burr-Brown Corp. designed its analog/digital converter for industrial process control, medical...
>
THIN-FILM METROLOGY
Nanometrics Inc. has unveiled an automated, noncontact thin-film metrology system for use in 300-mm high-volume semiconductor manufacturing. The NanoSpec 9300 has a deep-UV to near-IR spectroscopic...
>
MINI MODULATOR
A miniature electro-optic modulator developed by Linos Photonics GmbH allows full analog modulation of lasers with 400- to 700-nm wavelengths. The device, which maintains a Gaussian beam profile,...
Qioptiq Photonics GmbH & Co. KG
>
BLUE DIODE LASER
Engineering evaluation units of Micro Laser Systems' high-power blue diode lasers are now available. They are suitable for scientific use or for printing and DVD applications. The circular beam is 6...
Micro Laser Systems, Inc.
>
SINGLE-FREQUENCY LASER
InnoLight GmbH has added a 2-W continuous-wave model at 1064 nm to its Mephisto series of ultrastable solid-state lasers. A quasi-monolithic ring laser crystal with two diffusion-bonded parts...
>
INDUSTRIAL LASER
Rofin-Sinar Inc. has released the RF 040 CO2 industrial processing laser with guaranteed 4-kW output and a typical range of 400 to 4400 W. Its generator is configured with modular components, and the...
Rofin-Sinar, Inc.
>
LASER DIODE MODULE
Lumex Inc. has introduced two Bellcore-compliant 1310-nm laser diode modules for communications applications. The devices can operate at high ambient temperatures without a thermoelectric cooler....
Lumex
>
POWER AMPLIFIER
Coherent Photonics Group, Laser Div., has developed an all-solid-state, high-power amplification system. The device comprises the company's RegA 9000 regenerative amplifier and a Vitesse Ti:sapphire...
Coherent Inc.
>
DIODE-PUMPED LASERS
Cutting Edge Optronics Inc. has released diode-pumped solid-state laser modules for high-power industrial and scientific Nd:YAG laser systems. One module can produce >450 W at 1064 nm, or numerous...
Northrop Grumman Poly-Scientific
>
HIGH-POWER UV LASER
The Vanguard all-solid-state laser provides more than 4 W of quasi-CW output at 355 nm. Spectra-Physics utilized saturable Bragg reflector technology, under license from Lucent Technologies, in the...
>
LIGHT SOURCE
The LS 1000 light source for industrial borescopy, endoscopy and surgical microscopy has been announced by PerkinElmer Optoelectronics. The illuminator features a 150-W lamp with an integral...
PerkinElmer Inc.
>
WAN ACCESS
Marconi plc has introduced a WAN access device that enables the migration of multiple services onto an integrated ATM/IP platform. The company says that the SE-2530 supports converged voice and data...
>
ALUMINA-TITANIA CERAMICS
Accumet Materials Co.'s ceram-T alumina-titania ceramics resist thermal shock at temperatures up to 1800 °C. They are produced by slip casting and can be custom-made into complex shapes. They exhibit...
>
THERMALl-CURE EPOXY
The Emcast 4180 single-component, thermal-cure epoxy system for electronic assembly has been added to Electronic Materials Inc.'s line. It has low viscosity and a fast cure schedule at elevated...
Electronic Materials Inc.
>
OBJECTIVE LENSES
Objective lenses for gobos and slide projection lighting fixtures have been introduced by Docter Optics Inc. The lenses are available in three-, four- or six-element designs with fixed or variable...
Docter Optics, Inc.
>
POWER SUPPLIES
A series of high-voltage power supplies has been unveiled by Emco High Voltage Corp. The CA line features ripple at 2 ppm peak to peak, stability of 0.001%/h and a temperature coefficient of less...
EMCO High Voltage Corp.
>
FIBER OPTIC ALIGNMENT
Piezosystem jena has developed the Fapos 2/2 positioning system for fiber optic alignment. It comprises a manually operated three-axis position stage and a piezostage with subnanometer resolution for...
piezosystem jena GmbH
>
AUTOMATED INSPECTION
Edmund Industrial Optics has released the Eyebot automatic inspector for machine vision systems. It features both an operational mode that looks for the appearance and disappearance of shapes, and a...
Edmund Optics, Inc.
>
MICROSPECTROMETER
A microspectrometer developed by Steag microParts GmbH is available from Photonics & Analytical Marketing (P & A). The NIR 1750 operates from 1100 to 1750 nm with 15-nm resolution, and it comes with...
>
ADJUSTABLE MICROSCOPE
Olympus Optical Co. (Europa) GmbH has designed the BX45 microscope for increased comfort for long-term use or for multiple users. Its flexibility allows users to adjust the height, and the angle of...
Olympus Optical Co. (Europa) GmbH
>
PHOTOMACK INSPECTION
QC Optics Inc. has released a high-speed inspection tool that supports 0.15-µm design rules. The API-5000 is a photomask inspection system that eliminates repeated defects by inspecting the reticle...
>
SAMPLE MONITORING
The T300-RT-UV-VIS dip probe from Ocean Optics Inc. measures in situ UV-VIS-shortwave NIR absorbance and the transmission of chemicals, pharmaceuticals and other solutions. The probe can be embedded...
Ocean Optics, Inc.
>
FIBER TEST SERVICES
Transcat Calibration Services has added fiber optic test and measurement instrumentation to increase its service capabilities. The company can calibrate instruments used to measure wavelength,...
>
SPECTRUM ANALYZERS
Miniature fiber optic spectrum analyzers have been introduced by StellarNet Inc. They connect directly to a PC's enhanced parallel printer port and measure frequency and power output from emission...
StellarNet, Inc.
>
STEREOMICROSCOPE
Carl Zeiss Inc. has unveiled the Stemi DV4 stereomicroscope. This double-lens vario with a zoom factor of four comes with transmitted and reflected light illumination and provides high contrast...
Carl Zeiss Microscopy, LLC
>
MULTIFUNCTION FO TESTER
The MTS is an integrated OTDR and DWDM tester that offers a sweep scan rate of 0.1 s and 128,000 data points, which Wavetek Wandel Goltermann says is four times faster and more precise than its...
>
UV RADIOMETER
The ELC-300 autoranging radiometer from Electro-Lite Corp. measures the UV performance of spot-cure and production-process systems. This optical sensing device measures irradiance in the 300- to...
Electro-Lite Corp.
>
VIDEO MEASUREMENT
Nikon Inc. has designed video measuring devices with fast throughput rates and through-the-lens (TTL) laser autofocus for 3-D surface analysis. The Nexiv system features search functions that correct...
>
WAVEFRONT ANALYSIS
Adaptive Optics Associates Inc. has released WaveLab2, a set of software tools for the reduction and analysis of wavefront and image data. The graphical user interface guides the user through the...

Facebook Twitter RSS Mobile Apps